On Tue, 3 Feb 2015 01:46:43 -0500, Gene Heskett wrote:
>ultrasonic motion detector
radar vs ultrashall
In Germany radar is common. That's one reason why radar warning
receiver are useless in Germany. Usually they receive radar from
Star Trek like automatically opening doors. The other reason is, that
police in Germany usually does use laser instead of radar nowadays.
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Received on Tue Feb 3 20:15:02 2015
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